horrible one. what was meant to be a celebration saturday morning turned into a horrific scene. authorities say a driver sped through a parked police motorcycle and crashed into a crowd of spectators at the oklahoma state university homecoming parade. what eyewitnesses say they saw clearly chaotic. >> a car just like -- just went in through the crowd, just burst into the crowd. >> reporter: a crash reconstruction team now trying to figure out exactly what happened and asking for anyone with video or information to come forward. >> it's just a horrible incident. it's very unfortunate that we have to do this. just work through it as expeditionly as we can and keep the families and the victims in this incident in our prayers. >> reporter: chambers is suspected of drunk driving and arrested at the scene. the university president said he struggled with the decision to go on with the homecoming game,